|発明の名称||CHIPLESS TAG, ITS TAG INFORMATION READING CIRCUIT AND CHIPLESS TAG SYSTEM|
PROBLEM TO BE SOLVED: To enable an expansion of the number of codes and stable reading with high accuracy in a multiple resonator type chipless tag using multiple transmission line resonators having different resonance frequencies.
SOLUTION: A chipless tag system 100 includes a first transmission line and a second transmission line configured to face each other at a constant interval, and a third transmission line connecting at least one open end to the other of the first and second transmission lines. From a chipless tag 10 in which the first transmission line and the second transmission line of multiple transmission line resonators 121 to 12n having different resonance frequencies are arranged to be in straight lines that are in parallel in the same direction so as to be at the same interval in all the transmission line resonators 121 to 12n, tag information is read by a tag information reading circuit 20 provided with a resonance exciting transmission line 22 and a tag information detecting transmission line 23 that are arranged in parallel so as to be at the substantially same interval as the interval of the first transmission line of the chipless tag 10.
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